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Theorem anabss1 814
Description: Absorption of antecedent into conjunction. (Contributed by NM, 20-Jul-1996.) (Proof shortened by Wolf Lammen, 31-Dec-2012.)
Hypothesis
Ref Expression
anabss1.1
Assertion
Ref Expression
anabss1

Proof of Theorem anabss1
StepHypRef Expression
1 anabss1.1 . . 3
21an32s 804 . 2
32anabsan 813 1
Colors of variables: wff setvar class
Syntax hints:  ->wi 4  /\wa 369
This theorem is referenced by:  anabss4  815  ordtri3or  4915  onfununi  7031  omordi  7234  oeoelem  7266  hashssdif  12475  nzss  31222  stirlinglem5  31860
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8
This theorem depends on definitions:  df-bi 185  df-an 371
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